/*
 *  Copyright 2009 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.xmlmapper.elements;

import static org.mybatis.generator.internal.util.StringUtility.stringHasValue;

import java.util.List;

import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities;

/**
 * 
 * @author Jeff Butler
 * 
 */
public class ResultMapWithoutBLOBsElementGenerator extends AbstractXmlElementGenerator
{
    private boolean isSimple;
    
    public ResultMapWithoutBLOBsElementGenerator(boolean isSimple)
    {
        super();
        this.isSimple = isSimple;
    }
    
    @Override
    public void addElements(XmlElement parentElement)
    {
        XmlElement answer = new XmlElement("resultMap"); //$NON-NLS-1$
        answer.addAttribute(new Attribute("id", //$NON-NLS-1$
            introspectedTable.getBaseResultMapId()));
        String returnType;
        if (isSimple)
        {
            returnType = introspectedTable.getBaseRecordType();
        }
        else
        {
            if (introspectedTable.getRules().generateBaseRecordClass())
            {
                returnType = introspectedTable.getBaseRecordType();
            }
            else
            {
                returnType = introspectedTable.getPrimaryKeyType();
            }
        }
        answer.addAttribute(new Attribute("type", //$NON-NLS-1$
            returnType));
        context.getCommentGenerator().addComment(answer);
        if (introspectedTable.isConstructorBased())
        {
            addResultMapConstructorElements(answer);
        }
        else
        {
            addResultMapElements(answer);
        }
        if (context.getPlugins().sqlMapResultMapWithoutBLOBsElementGenerated(answer, introspectedTable))
        {
            parentElement.addElement(answer);
        }
    }
    
    private void addResultMapElements(XmlElement answer)
    {
        for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns())
        {
            XmlElement resultElement = new XmlElement("id"); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("column", MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn))); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            if (stringHasValue(introspectedColumn.getTypeHandler()))
            {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            answer.addElement(resultElement);
        }
        List<IntrospectedColumn> columns;
        if (isSimple)
        {
            columns = introspectedTable.getNonPrimaryKeyColumns();
        }
        else
        {
            columns = introspectedTable.getBaseColumns();
        }
        for (IntrospectedColumn introspectedColumn : columns)
        {
            XmlElement resultElement = new XmlElement("result"); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("column", MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn))); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("property", introspectedColumn.getJavaProperty())); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            if (stringHasValue(introspectedColumn.getTypeHandler()))
            {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            answer.addElement(resultElement);
        }
    }
    
    private void addResultMapConstructorElements(XmlElement answer)
    {
        XmlElement constructor = new XmlElement("constructor"); //$NON-NLS-1$
        for (IntrospectedColumn introspectedColumn : introspectedTable.getPrimaryKeyColumns())
        {
            XmlElement resultElement = new XmlElement("idArg"); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("column", MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn))); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            resultElement.addAttribute(new Attribute("javaType", //$NON-NLS-1$
                introspectedColumn.getFullyQualifiedJavaType().getFullyQualifiedName()));
            if (stringHasValue(introspectedColumn.getTypeHandler()))
            {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            constructor.addElement(resultElement);
        }
        List<IntrospectedColumn> columns;
        if (isSimple)
        {
            columns = introspectedTable.getNonPrimaryKeyColumns();
        }
        else
        {
            columns = introspectedTable.getBaseColumns();
        }
        for (IntrospectedColumn introspectedColumn : columns)
        {
            XmlElement resultElement = new XmlElement("arg"); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("column", MyBatis3FormattingUtilities.getRenamedColumnNameForResultMap(introspectedColumn))); //$NON-NLS-1$
            resultElement.addAttribute(new Attribute("jdbcType", //$NON-NLS-1$
                introspectedColumn.getJdbcTypeName()));
            resultElement.addAttribute(new Attribute("javaType", //$NON-NLS-1$
                introspectedColumn.getFullyQualifiedJavaType().getFullyQualifiedName()));
            if (stringHasValue(introspectedColumn.getTypeHandler()))
            {
                resultElement.addAttribute(new Attribute("typeHandler", introspectedColumn.getTypeHandler())); //$NON-NLS-1$
            }
            constructor.addElement(resultElement);
        }
        answer.addElement(constructor);
    }
}
